{"product_id":"antigravity-group-35-q85-lithium-car-battery","title":"Antigravity Group-35\/Q85 Lithium Car Battery","description":"\u003ch1\u003eAntigravity Group-35\/Q85 Lithium Car Battery\u003c\/h1\u003e\n\u003cp\u003eUpgrade your vehicle’s starting power and drop serious weight with the Antigravity Group-35\/Q85 lithium car battery. Built on safe, stable LiFePO4 chemistry with a full Battery Management System and Antigravity’s exclusive RE-START wireless jump-starting, it’s a direct Group 35\/Q85 replacement that delivers huge cranking amps in a compact, ultra-light package.\u003c\/p\u003e\n\u003ch2\u003eHigh power, low weight, direct-fit Group 35\/Q85 replacement\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect OEM case size: Group 35\/Q85 (drop-in replacement)\u003c\/li\u003e\n\u003cli\u003eDimensions (L×W×H): 9 × 6.85 × 8.6 in\u003c\/li\u003e\n\u003cli\u003eCapacity: 40 Amp Hours\u003c\/li\u003e\n\u003cli\u003eCranking power: 1500 Cranking Amps\u003c\/li\u003e\n\u003cli\u003eExclusive RE-START Technology: wireless jump-starting from the included keyfob\u003c\/li\u003e\n\u003cli\u003eComplete Battery Management System (BMS) built in for protection and longevity\u003c\/li\u003e\n\u003cli\u003eLiFePO4 chemistry for enhanced thermal stability and safety\u003c\/li\u003e\n\u003cli\u003eUltra lightweight: about 13.75 lbs (up to ~70% lighter than lead-acid)\u003c\/li\u003e\n\u003cli\u003eThreaded terminals: M8 × 1.25\u003c\/li\u003e\n\u003cli\u003eShipping note: Adult signature required\u003c\/li\u003e\n\u003cli\u003eSKU: 35-40-RS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy It’s Better\u003c\/h3\u003e\n\u003cp\u003eThis battery delivers significantly higher cranking performance than typical lead-acid Group 35 units while trimming major weight from the nose of the car. The integrated BMS monitors voltage, temperature, and cell balance, while RE-START gives you a built-in reserve so you can recover from an accidental drain without opening the hood or calling for a jump.\u003c\/p\u003e\n\u003ch3\u003eSuggested Fitments (Group-35\/Q85 vehicles)\u003c\/h3\u003e\n\u003cp\u003eAcura NSX, Acura RDX, Mitsubishi EVO models, and various Subaru applications that utilize Group 35\/Q85 sizing. Always confirm tray dimensions, terminal orientation\/polarity, and hold-down style on your specific vehicle before purchase.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Inside\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAntigravity Group-35\/Q85 lithium battery\u003c\/li\u003e\n\u003cli\u003eWireless RE-START keyfob\u003c\/li\u003e\n\u003cli\u003eUser documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eVerify positive\/negative terminal locations match your vehicle. Ensure proper hold-down engagement and cable strain relief. After installation, start the vehicle and confirm charging voltage per the manufacturer’s guidance.\u003c\/p\u003e\n\u003ch3\u003eAntigravity Group-35\/Q85 Lithium Car Battery FAQs:\u003c\/h3\u003e\n\u003cp\u003eIs this a direct replacement for Group 35 or Q85 batteries?\u003cbr\u003eYes, it’s built in the Group 35\/Q85 OEM case size for drop-in fitment in vehicles that use this size. Always confirm dimensions and terminal orientation before ordering.\u003c\/p\u003e\n\u003cp\u003eDo I need a special charger?\u003cbr\u003eMost modern smart chargers that support lithium (LiFePO4) profiles are compatible. Avoid chargers with desulfation or repair modes designed for lead-acid batteries.\u003c\/p\u003e\n\u003cp\u003eHow does RE-START work?\u003cbr\u003eRE-START maintains a reserve. If the battery is drained, press the keyfob button to temporarily re-enable power so you can start the car and allow the alternator to recharge the battery.\u003c\/p\u003e\n\u003cp\u003eIs LiFePO4 safe for automotive use?\u003cbr\u003eLiFePO4 chemistry offers strong thermal stability, and the built-in BMS adds over-\/under-voltage, over-current, and temperature protections when used as directed.\u003c\/p\u003e\n\u003cp\u003eWill it work in cold weather?\u003cbr\u003eLiFePO4 performance can dip at very low temperatures. For cold starts, briefly turn on electrical loads (lights, defroster) for a minute to warm the cells, then crank. Check the manufacturer’s recommended temperature ranges.\u003c\/p\u003e\n\u003cp\u003eWhat vehicles will it fit?\u003cbr\u003eCommon Group-35\/Q85 vehicles include Acura NSX\/RDX, Mitsubishi EVO models, and many Subarus. Confirm tray size, terminal layout, and hold-down type for your exact trim and year.\u003c\/p\u003e\n\u003cp\u003eReady to cut weight and add serious cranking performance? Drop the Antigravity Group-35\/Q85 Lithium Car Battery into your build and feel the difference every time you hit the starter.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/R_rw_qstFdE?si=N8sbr0hcW1cTRQwY\" height=\"380\" width=\"760\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eNEW! Lightweight Lithium Batteries with Wireless Remote Built-In Jump Starting!\u003c\/h3\u003e\n\u003cp\u003eAntigravity Batteries has changed the game again with their latest Lithium-ion Car Batteries. The newest RE-START line of batteries offers built-in WIRELESS Jump-Starting! That means if your battery is ever discharged, simply press the button on the provided key fob, start the car, and drive away! No need for a jump starter or roadside assistance. You don’t even have to open the hood—activate it from inside your vehicle!\u003c\/p\u003e\n\u003cp\u003eIf you want to track your battery status via Bluetooth, you can use the \u003ca href=\"https:\/\/competitionmotorsport.com\/products\/bluetooth-battery-tracker-plus\"\u003eBluetooth Battery Tracker PLUS (sold separately).\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0647\/9242\/8763\/files\/Antigravity_H7_Battery_Key_Benefits_Graphic.png?v=1753291539\" alt=\"Key benefits of Antigravity H7 lithium battery including RE-START tech, BMS safety, drop-in fitment, weight savings, and high cranking power-image\" style=\"float: none;\"\u003e\u003c\/p\u003e","brand":"Competition Motorsport","offers":[{"title":"Default Title","offer_id":47434511810738,"sku":"AG-35-40-RS","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/antigravity-group-51-lithium-car_b71d0bd4-2bbb-4e6d-8bd8-12014948b8ae.jpg?v=1778619561","url":"https:\/\/pmbperformance.com\/products\/antigravity-group-35-q85-lithium-car-battery","provider":"PMB Performance","version":"1.0","type":"link"}